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Finding the Fourth Proportional to 172,863.64, 259,333.54 and 52,921.49

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Solution

The fourth proportional to 172,863.64, 259,333.54 and 52,921.49 is: 79,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,863.64 : 259,333.54 = 52,921.49 : x
  2. Step 2: Convert to fraction form
    172,863.64/259,333.54 = 52,921.49/x
  3. Step 3: Cross multiply
    172,863.64x = 259,333.54 × 52,921.49
  4. Step 4: Simplify right side
    172,863.64x = 13,724,317,343.77
  5. Step 5: Solve for x
    x = 13,724,317,343.77/172,863.64
  6. Step 6: Final answer
    x = 79,393.90

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